CN117923869A - GFB multifunctional plate and preparation method thereof - Google Patents
GFB multifunctional plate and preparation method thereof Download PDFInfo
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- CN117923869A CN117923869A CN202311825204.4A CN202311825204A CN117923869A CN 117923869 A CN117923869 A CN 117923869A CN 202311825204 A CN202311825204 A CN 202311825204A CN 117923869 A CN117923869 A CN 117923869A
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- 238000002360 preparation method Methods 0.000 title abstract description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 36
- 229920001778 nylon Polymers 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000010440 gypsum Substances 0.000 claims abstract description 28
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 28
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 13
- 239000002025 wood fiber Substances 0.000 claims abstract description 13
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 10
- 229920002472 Starch Polymers 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 10
- 239000001110 calcium chloride Substances 0.000 claims abstract description 10
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 10
- 239000004021 humic acid Substances 0.000 claims abstract description 10
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 10
- 239000008107 starch Substances 0.000 claims abstract description 10
- 235000019698 starch Nutrition 0.000 claims abstract description 10
- 239000002344 surface layer Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000010881 fly ash Substances 0.000 claims abstract description 9
- 239000004088 foaming agent Substances 0.000 claims abstract description 9
- 239000010878 waste rock Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 6
- 239000011268 mixed slurry Substances 0.000 claims description 23
- 239000004677 Nylon Substances 0.000 claims description 18
- 238000003892 spreading Methods 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 12
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 238000004806 packaging method and process Methods 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000011087 paperboard Substances 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000007711 solidification Methods 0.000 claims description 5
- 230000008023 solidification Effects 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 4
- 239000004579 marble Substances 0.000 claims description 3
- 239000006004 Quartz sand Substances 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000010438 granite Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The invention discloses a GFB multifunctional plate and a preparation method thereof, wherein the GFB multifunctional plate comprises an inner layer and a surface layer, and is prepared from the following raw materials, by weight, 20-30 parts of wood fiber, 200-250 parts of gypsum powder, 1-5 parts of nylon fiber, 8-10 parts of humic acid, 8-10 parts of calcium chloride, 5-6 parts of polyvinyl alcohol, 3-5 parts of starch ether, 1-2 parts of ethanol, 50 parts of 0.05% citric acid aqueous solution, 5-10 parts of cement, 30-50 parts of fly ash, 10-20 parts of waste rock slag powder (smaller than 20 meshes) and 0.1-0.2 part of foaming agent. Effectively solves the technical problems of lower strength and relatively less application of the gypsum board.
Description
Technical Field
The invention belongs to the technical field of building boards, and relates to a GFB multifunctional board.
Technical Field
The GFB multifunctional board is a material which is made of building gypsum as a main raw material, is a building material with light weight, higher strength, thinner thickness, convenient processing, better performances of sound insulation, heat insulation, fire prevention and the like, and is one of the novel light boards which are developed seriously at present. The 10 big advantages of GFB multifunctional plate are: the A-level fireproof and fireproof waterproof and moisture-absorbing board has the fire resistance limit of 4H, sound absorption and sound insulation up to 54DP, heat preservation and insulation, light weight, high strength, strong impact resistance, long service life, aging resistance, crack resistance, strong nail holding force, 50KG hanging capability, stability, no warping, no deformation, and the same processability as wood, and is an ideal substitute material for replacing paper plasterboards. The product is mainly used for partition walls and suspended ceilings, such as offices, home decoration, shops, schools, tunnels, basements, fire-fighting channels, hospitals, theaters, airports, stations, urban subway stations, meeting rooms, toilets and other places, and marble, ceramic tiles and the like can be adhered. In recent years, GFB multifunctional boards have been greatly developed, and the application range of the GFB multifunctional boards in the building field is becoming wider and wider; however, as the requirements of people on building materials are higher and higher, the requirements of GFB multifunctional boards are also higher and higher.
The gypsum boards produced at present in China mainly comprise paper gypsum boards, decorative gypsum boards, gypsum hollow battens, fiber gypsum boards, gypsum sound absorbing boards and positioning point gypsum boards. Main creator Sun Jinyu on the filing date: 2013.03.06 a wood fiber reinforced gypsum board, application number: 2013100783685, which is prepared from the following raw materials: wood fiber, gypsum powder, humic acid, silicon carbide powder, silicon carbide, calcium chloride, polyvinyl alcohol, starch ether, borax, ethanol and citric acid aqueous solution. The invention also discloses a preparation method of the wood fiber reinforced gypsum board. The wood fiber reinforced gypsum board prepared by the invention has the characteristics of high static bending strength and compressive strength, large screw holding force and bending elastic modulus, small heat conductivity coefficient and the like. The plate has low structural strength, relatively few uses and inconvenient use.
Disclosure of Invention
The invention provides a GFB multifunctional board for solving the technical problems of low strength and relatively few purposes of gypsum boards in the prior art.
The invention is realized by the following technical scheme.
The GFB multifunctional board comprises an inner layer and a surface layer, and is prepared from the following raw materials, by weight, 20-30 parts of wood fiber, 200-250 parts of gypsum powder, 1-5 parts of nylon fiber, 8-10 parts of humic acid, 8-10 parts of calcium chloride, 5-6 parts of polyvinyl alcohol, 3-5 parts of starch ether, 1-2 parts of ethanol, 0.05 part of citric acid aqueous solution 50 (according to a proportion mode of 0.05g of citric acid to 100ml of water), 5-10 parts of cement, 30-50 parts of fly ash, 10-20 parts of waste slag powder (smaller than 20 meshes) and 0.1-0.2 part of foaming agent.
The method comprises the following steps: step 1), preparing surface layer slurry a, step 2), preparing inner layer slurry b, step 3), preparing and molding, step 4), curing, and packaging.
Step 1), taking raw materials, namely wood fiber 20, gypsum powder 200, nylon fiber 1, humic acid 8, calcium chloride 8, polyvinyl alcohol 6, starch ether 3, ethanol 1 and 0.05 percent (according to the proportioning mode of 0.05g of citric acid and 100ml of water) of citric acid aqueous solution 50, sequentially putting the raw materials into a mortar stirrer, and stirring the raw materials uniformly while adding the raw materials to obtain mixed slurry a for later use;
Step 2), taking raw materials, namely placing cement 5, fly ash 30, waste rock powder 10, gypsum powder 5, a foaming agent 0.1, nylon fiber 1 and water into a mortar stirrer, adding the raw materials, stirring uniformly while generating gas to obtain mixed slurry b for later use;
Step 3), spreading the mixed slurry a obtained in the step 1 on a die, wherein the thickness is 0.5-0.8mm, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring the mixed slurry b after gas generation after initial setting, wherein the thickness is 15-50mm, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring the mixed slurry a again after initial setting, wherein the thickness is 0.5-0.8mm, trowelling the surface, and demoulding after solidification;
Step 4), the demoulded plate is moved into a curing workshop, the temperature of the curing workshop is 40-45 ℃, the humidity is 70%, steam atomization is carried out every 5-8 hours, the curing time is 36-48 hours, then the plate is moved out of the workshop, and a storehouse is naturally placed, wherein the temperature of the storehouse is not lower than 0 ℃;
and 5) naturally placing the warehouse for more than 28 days, and packaging four corners of the plate by using paper boards.
Compared with the prior art, the invention has the beneficial effects that mainly comprise but are not limited to the following aspects:
The invention can be directly used for indoor partition walls, the surface of which can be pasted with hooks, and the surface of which can be painted, putty powder painted, wallpaper pasted, wall painting and the like without cracking when steel nails and traceless nails are used.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present application, the present application will be more clearly and completely described in the following in conjunction with specific embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, shall fall within the scope of the application.
The GFB multifunctional board comprises an inner layer and a surface layer, and is prepared from the following raw materials, by weight, 20 parts of wood fiber, 205 parts of gypsum powder, 2 parts of nylon fiber, 8 parts of humic acid, 8 parts of calcium chloride, 6 parts of polyvinyl alcohol, 3 parts of starch ether, 1 part of ethanol, 50 parts of citric acid aqueous solution of 0.05% (according to the proportion mode of 0.05g of citric acid to 100ml of water), 5 parts of cement, 30 parts of fly ash, 10 parts of waste rock slag (smaller than 20 meshes) and 0.1 part of foaming agent.
The method comprises the following steps: step 1), preparing surface layer slurry a, step 2), preparing inner layer slurry b, step 3), preparing and molding, step 4), curing, and packaging.
Step 1), taking raw materials, namely wood fiber 20, gypsum powder 200, nylon fiber 1, humic acid 8, calcium chloride 8, polyvinyl alcohol 6, starch ether 3, ethanol 1 and 0.05% citric acid aqueous solution 50, sequentially putting the raw materials into a mortar stirrer, and stirring the raw materials uniformly while adding the raw materials to obtain mixed slurry a for later use;
Step 2), taking raw materials, namely placing cement 5, fly ash 30, waste rock powder 10, gypsum powder 5, a foaming agent 0.1, nylon fiber 1 and water into a mortar stirrer, adding the raw materials, stirring uniformly while generating gas to obtain mixed slurry b for later use;
Step 3), spreading the mixed slurry a obtained in the step 1 on a die, wherein the thickness is 0.5mm, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring mixed slurry b with the thickness of 50mm after initial setting, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring mixed slurry a again after initial setting, and the thickness is 0.5mm, trowelling the surface, and demoulding after solidification;
Step 4), the demoulded plate is moved into a maintenance workshop, the temperature of the maintenance workshop is 45 ℃, the humidity is 70%, steam atomization is carried out every 5 hours, the maintenance time is 48 hours, then the plate is moved out of the workshop, and a storehouse is naturally placed, wherein the temperature of the storehouse is not lower than 0 ℃;
and 5) naturally placing the warehouse for more than 28 days, and packaging four corners of the plate by using paper boards.
The waste slag powder adopts marble powder.
The nylon fiber is arranged on the surface layer and the inner layer, so that the nylon fiber cannot be damaged when being cut by a cutting machine, corners cannot be cracked, and the cutting surface is neat and has no saw teeth.
The nylon net is paved on the surface, and is taken down after shaping, and when the next layer of pouring is carried out, the nylon net can be better connected, so that layering cracking is prevented.
The GFB multifunctional plate prepared by the method has firm structure, can be used for indoor partition plates and the like, and cannot deform and crack.
Example 2 a GFB multifunction plate, the method comprising the steps of: step 1), preparing surface layer slurry a, step 2), preparing core layer slurry b, step 3), preparing and molding, step 4), curing, step 5) and packaging.
Step 1), taking raw materials, namely wood fiber 20, gypsum powder 200, nylon fiber 1, humic acid 8, calcium chloride 8, polyvinyl alcohol 6, starch ether 3, ethanol 1 and 0.05% citric acid aqueous solution 50, sequentially putting the raw materials into a mortar stirrer, and stirring the raw materials uniformly while adding the raw materials to obtain mixed slurry a for later use;
Step 2), taking raw materials, namely placing cement 5, fly ash 30, waste rock powder 10, gypsum powder 5, nylon fiber 1, a foaming agent 0.1 and water into a mortar stirrer, adding the raw materials, stirring uniformly while generating gas to obtain mixed slurry b for later use;
step 3), paving a layer of paperboard on the surface of the die, flatly paving the mixed slurry a in the step 1 on the die with the thickness of 0.8mm, flatly paving a nylon net on the surface after flatly paving, taking down the nylon net after shaping, pouring the mixed slurry b with the thickness of 15mm after initial setting, flatly paving the surface after flatly paving, and demoulding after solidification;
Step 4), the demoulded plate is moved into a maintenance workshop, the temperature of the maintenance workshop is 40 ℃, the humidity is 80%, steam atomization is carried out every 8 hours, the maintenance time is 40 hours, then the plate is moved out of the workshop, and a storehouse is naturally placed, wherein the temperature of the storehouse is not lower than 0 ℃;
and 5) naturally placing the warehouse for more than 28 days, and packaging four corners of the plate by using paper boards.
The GFB multifunctional plate prepared by the method has firm structure, can be used for wall decoration, and is not deformed.
Example 3 a GFB multifunction plate, the method comprising the steps of: step 1), preparing surface layer slurry a, step 2), preparing core layer slurry b, step 3), preparing and molding, step 4), curing, step 5) and packaging.
Step 1), taking raw materials, namely wood fiber 20, gypsum powder 200, nylon fiber 1, humic acid 8, calcium chloride 8, polyvinyl alcohol 6, starch ether 3, ethanol 1 and 0.05% citric acid aqueous solution 50, sequentially putting the raw materials into a mortar stirrer, and stirring the raw materials uniformly while adding the raw materials to obtain mixed slurry a for later use;
Step 2), taking raw materials, namely placing cement 5, fly ash 30, waste rock powder 10, gypsum powder 5, nylon fiber 1, a foaming agent 0.1 and water into a mortar stirrer, adding the raw materials, stirring uniformly while generating gas to obtain mixed slurry b for later use;
Step 3), paving a layer of paperboard on the surface of the die, flatly paving the mixed slurry a obtained in the step 1 on the die with the thickness of 0.8mm, flatly paving a nylon net on the surface after flatly paving, taking down the nylon net after shaping, pouring the mixed slurry b with the thickness of 25mm after initial setting, flatly paving the surface after flatly paving, and demoulding after solidification;
Step 4), the demoulded plate is moved into a maintenance workshop, the temperature of the maintenance workshop is 40 ℃, the humidity is 80%, steam atomization is carried out every 8 hours, the maintenance time is 40 hours, then the plate is moved out of the workshop, and a storehouse is naturally placed, wherein the temperature of the storehouse is not lower than 0 ℃;
and 5) naturally placing the warehouse for more than 28 days, coating AB glue on the surface of the inner layer, pasting a polyphenyl board, and packaging four corners of the board by using a paperboard.
The GFB multifunctional plate prepared by the method has firm structure, can be used for wall decoration, and has a heat preservation effect.
EXAMPLE 4.1 compressive Strength test
Experimental group 1 (example 1), 900kpa;
Experimental group 2 (example 2), 420 kpa;
control 1 (see 2013100783685 example 1) 298kpa.
Therefore, the inner layer of the application greatly improves the compressive strength and can not bend and deform after long-time use.
2. Screw grip force test
Experimental groups 1 (example 1), 4503N;
experimental group 2 (example 2), 2251N;
control 1 (see 2013100783685 example 1) 1789N.
Therefore, the application has obvious convenient enhancement of screw holding force and can be connected with various steel nails and small expansion bolts.
The GFB multifunctional plate has wide application and can be used as partition boards, ceiling boards, decorative boards and the like.
The foregoing list is only the best embodiment of the invention. Obviously, the invention is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present invention. Technical Field
The invention belongs to the technical field of building boards, and relates to a GFB multifunctional board.
Claims (4)
1. The GFB multifunctional board comprises an inner layer and a surface layer, and is prepared from the following raw materials, by weight, 20 parts of wood fiber, 205 parts of gypsum powder, 2 parts of nylon fiber, 8 parts of humic acid, 8 parts of calcium chloride, 6 parts of polyvinyl alcohol, 3 parts of starch ether, 1 part of ethanol, 0.05 part of citric acid aqueous solution 50 (according to the proportion mode of 0.05g of citric acid to 100ml of water), 5 parts of cement, 30 parts of fly ash, 10 parts of waste slag powder (smaller than 20 meshes) and 0.1 part of foaming agent.
2. The GFB multifunction plate of claim 1, the method comprising the steps of: step 1), preparing surface layer slurry a, step 2), preparing inner layer slurry b, step 3), preparing and molding, step 4), curing, and packaging.
3. The method for producing a GFB multifunctional plate according to claim 2, comprising: step 1), taking raw materials, namely wood fiber 20, gypsum powder 200, nylon fiber 1, humic acid 8, calcium chloride 8, polyvinyl alcohol 6, starch ether 3, ethanol 1 and 0.05% citric acid aqueous solution 50, sequentially putting the raw materials into a mortar stirrer, and stirring the raw materials uniformly while adding the raw materials to obtain mixed slurry a for later use;
Step 2), taking raw materials, namely placing cement 5, fly ash 30, waste rock powder 10, gypsum powder 5, a foaming agent 0.1, nylon fiber 1 and water into a mortar stirrer, adding the raw materials, stirring uniformly while generating gas to obtain mixed slurry b for later use;
Step 3), spreading the mixed slurry a obtained in the step 1 on a die, wherein the thickness is 0.5mm, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring mixed slurry b with the thickness of 50mm after initial setting, spreading a nylon net on the surface after spreading, taking down the nylon net after shaping, pouring mixed slurry a again after initial setting, and the thickness is 0.5mm, trowelling the surface, and demoulding after solidification;
Step 4), the demoulded plate is moved into a maintenance workshop, the temperature of the maintenance workshop is 45 ℃, the humidity is 70%, steam atomization is carried out every 5 hours, the maintenance time is 48 hours, then the plate is moved out of the workshop, and a storehouse is naturally placed, wherein the temperature of the storehouse is not lower than 0 ℃;
and 5) naturally placing the warehouse for more than 28 days, and packaging four corners of the plate by using paper boards.
4. A GFB multifunction board according to claim 1 or 3, wherein the waste slag powder is marble powder, granite powder or quartz sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825204.4A CN117923869A (en) | 2023-12-28 | 2023-12-28 | GFB multifunctional plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311825204.4A CN117923869A (en) | 2023-12-28 | 2023-12-28 | GFB multifunctional plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117923869A true CN117923869A (en) | 2024-04-26 |
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ID=90749857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311825204.4A Pending CN117923869A (en) | 2023-12-28 | 2023-12-28 | GFB multifunctional plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117923869A (en) |
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- 2023-12-28 CN CN202311825204.4A patent/CN117923869A/en active Pending
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